Tyrone defender Joe McMahon is unlikely to face Kerry in the All-Ireland semi-final because of a hernia problem.
McMahon will undergo surgery this weekend, just a week before the Croke Park showdown on 23 August.
He was forced out of the quarter-final against Monaghan by the injury after just seven minutes.
"It will be a race against time to make the squad for the next game. I can't see him being a starter at this time," said Red Hands boss Mickey Harte.
"He's in a race against the clock. He has to have some little bit of surgery to sort out what happened to him," added Harte.
"It's supposed to be able to be done by this weekend, but how that leaves him afterwards, we'll have to wait and see.
Otherwise, Tyrone have a clean bill of health, with the exception of Niall McKenna, who has been plagued by injury throughout the season.
"Niall McKenna has been injured all year, and he hasn't even been able to make the squad at all, from ankle, to hamstring, back to ankle," said Harte.